# Function: doesCollectionFollowProductCatalogProtocol()

> **doesCollectionFollowProductCatalogProtocol**(`collection?`): `boolean`

Defined in: [packages/bitbadgesjs-sdk/src/core/products.ts:173](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/products.ts#L173)

Comprehensive product catalog protocol check. Supports multi-product collections.

## Parameters

### collection?

`Readonly`\<[`iCollectionDoc`](https://docs.bitbadges.io/sdk/reference/interfaces/i-collection-doc)\<`bigint`\>\>

## Returns

`boolean`